Create dockerimage.yml for automatic docker pushing

Author: genodeftest

.github/workflows/dockerimage.yml

@@ -0,0 +1,17 @@
+name: Docker Image CI
+
+on:
+        push:
+                branches:
+                        - master
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Build the Docker image
+      run: ./build.sh && docker push exaile/gst-python